Tesla Taps Boss to Oversee Musk

Robyn Denholm becomes chairman at a pivotal time for the electric-car company

Tesla Inc. named board member Robyn Denholm as its chairman, tasking her with overseeing one of the business world’s most freewheeling figures at a pivotal moment for the electric-vehicle company.

The 55-year-old finance expert’s ascension to the role is doubly unusual: She will need to manage Elon Musk, the iconoclastic chief executive of Tesla who has led the company after becoming its largest investor in 2004. And she is giving up her job as CFO of Australia’s largest telecommunications company to assume the post at Tesla...